It has started growling at idle, but no leaking. How bad is a pump to replace on the 124? I have a pump already. How many hours would an Indy charge to do the job?

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Muleears
'07 E320 Bluetec 133K my DD
'04 Jaguar XJ8 VDP, 34K
'10 Hyundai Accent 60K Grocery Getter
'02 VW Golf soon to be on the road again
'97 E300 Diesel Son's DD
'61 VERY tolerant wife

Hampton Roads, VA USA

Gone but not forgotten:
'67 250S 95K
'86 300SDL
'87 300D Turbo, 364K! R.I.P.
'98 E300 Turbodiesel, 213K
'02 S420, 164K
'01 Prius 138K

They will charge about 3 hours give or take. If you decide to tackle this job yourself, plan on spending a lot more time than that.

Are you SURE that the grinding is the water pump? They usually fail by leaking. The only way to know for sure that the grinding is the water pump is to remove the belt and spin the pump by hand to feel if the grinding is coming from there.

Any time you have the belt off for any reason, you should spin all pulleys by hand and check for smoothness.

Good luck,

With a 60x engine check the belt tensioner arm and pulley as well.

Sixto
93 300SD 3.0